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Ethanol-induced liver injury preventing apoptosis /Cohen, Jessica I. January 2010 (has links)
Thesis (Ph. D.)--Case Western Reserve University, 2010. / [School of Medicine] Department of Nutrition. Includes bibliographical references.
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The effects of geniposide on paracetamol poisoning in rats.January 1988 (has links)
Wong Suk-kwan, Amy. / Thesis (M.Ph.)--Chinese University of Hong Kong, 1988. / Bibliography: leaves 184-206.
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Ciprofloxacin Exposure Leading to Fatal Hepatotoxicity: An Unusual CorrelationUnger, Carly, Al-Jashaami, Layth S. 22 September 2016 (has links)
No description available.
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MicroRNA regulation of drug metabolism in stem cell-derived hepatocytesSzkolnicka, Dagmara Maria January 2016 (has links)
The liver is a multi-functional and highly regenerative organ. While resilient, the liver is susceptible to organ damage and failure. In both the acute and chronic settings liver disease has dire consequences for health. A common cause of liver damage is adverse reactions to drugs which can lead to drug induced liver injury (DILI). This creates major problems for patients, clinicians, the pharmaceutical industry and regulatory authorities. In the context of drug overdose or serious adverse reactions, liver failure can be acute and life threatening, and in some cases require orthotopic liver transplantation. While transplantation is highly successful, such an approach has limitations and justifies basic science attempts to develop better human models to study liver injury and to develop scalable intervention strategies. With this in mind, we have studied the importance of microRNAs (miRs) in regulating human drug metabolism in pluripotent stem cell – derived hepatocytes and their potential to reduce liver toxicity in response to toxic levels of paracetamol. miRs are small non-coding RNAs that are approximately 20 - 24 nucleotides long and their major function is to fine tune gene expression of their target genes. Recently, it has been demonstrated that microRNAs play a role in regulating the first phase of drug metabolism however the second phase of drug metabolism, drug conjugation, has not been studied in detail. Drug conjugation is a crucial stage in human drug metabolism, and any alterations in this process can lead to changes in compound pharmacology, including therapeutic dose and clearance from the body. To test the importance of miRs in regulating phase II drug metabolism we opted to study the metabolism of a common used analgesic, paracetamol. When taken in the appropriate amounts paracetamol is modified by sulfotransferases (SULTs) and UDP - glucuronosyltransferases (UGTs) and removed from the body without organ damage. However, when paracetamol is taken above the recommended dose it is metabolised by phase I enzymes to generate a toxic intermediate N-acetyl-p-benzoquinone imine (NAPQI), which if untreated can lead to massive hepatocyte cell death and liver failure, placing the patient in a life threatening situation. In order to promote non-toxic drug metabolism, in the context of drug overdose, we employed candidate miRs to regulate different parts of the paracetamol metabolism pathway. In summary, we have focused on studying human drug metabolism in the major metabolic cell type of the liver, the hepatocyte. We have identified a novel microRNA (called miR-324-5p) which regulates phase II drug metabolism and reduces cell cytotoxicity. Additionally, a supportive role of anti-microRNA- 324 in response to fulminant plasma collected from paracetamol overdose patients is also observed. The findings of this project are novel, provide proof of concept and exemplify the power of stem cell based models to identify new approaches to treating human liver damage.
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A study on protective mechanisms of protein-bound polysaccharide on paracetamol-induced hepatotoxicity.January 1994 (has links)
by Lawrence Chi-ming Chiu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 142-151). / Abstract --- p.i / Acknowledgments --- p.iv / Table of Contents --- p.v / List of Figures --- p.vii / List of Tables --- p.xi / List of Abbreviations --- p.xii / Chapter Chapter 1: --- Introduction / Chapter 1.1 --- Polysaccharide-peptide (PSP ) --- p.1 / Chapter 1.2 --- Paracetamol (APAP ) --- p.6 / Chapter 1.2.1 --- Metabolism of APAP --- p.9 / Chapter 1.2.2 --- Mechanisms of APAP toxicity --- p.11 / Chapter 1.2.3 --- Factors influencing the hepatotoxicity of APAP --- p.17 / Chapter 1.3 --- Aim of the present study --- p.23 / Chapter Chapter 2: --- Studies on the effects of PSP on APAP-hepatotoxicity and glutathione levels / Chapter 2.1 --- Introduction --- p.25 / Chapter 2.2 --- Materials and methods --- p.30 / Chapter 2.3 --- Results / Chapter 2.3.1 --- The effects of PSP on APAP-induced hepatotoxicity --- p.41 / Chapter 2.3.2 --- The acute and sub-chronic effects of PSP on glutathione in rats --- p.45 / Chapter 2.4 --- Discussions --- p.66 / Chapter Chapter 3: --- Studies on the effects of PSP on the covalent binding and metabolism of APAP / Chapter 3.1 --- Introduction --- p.79 / Chapter 3.2 --- Materials and methods --- p.85 / Chapter 3.3 --- Results / Chapter 3.3.1 --- The effects of PSP on the covalent binding of radiolabelled paracetamol (14C-APAP ) in vitro --- p.102 / Chapter 3.3.2 --- The effects of PSP on the metabolism of APAP --- p.107 / Chapter 3.4 --- Discussions --- p.119 / Chapter Chapter 4: --- Conclusion --- p.137 / References --- p.142
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Effect of antioxidants on acute (paracetamol hepatotoxicity) and chronic (atheroma) oxidising free radical-related diseases. / CUHK electronic theses & dissertations collectionJanuary 2001 (has links)
Wang Deqing. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (p. 236-277). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
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Differential expression profile of cytochrome p450 2E1 (CYP2E1) related genes associated with carbon tetrachloride-induced hepatotoxicity. / CUHK electronic theses & dissertations collectionJanuary 2004 (has links)
Avasarala Sreedevi. / "December 2004." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (p. 253-272) / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
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Comparison of drug-induced hepato-toxicity in female patients during anti-retroviral therapyNhiwatiwa, Melody 13 February 2014 (has links)
A research report submitted to the Faculty of Health Sciences, University of the Witwatersrand, in partial fulfillment of the requirements for the degree of Master of Science in Medicine in Pharmacotherapy, Johannesburg, 2011 / Long term antiretroviral therapy (ART) use is known to cause various toxic adverse effects in patients. Hepato-toxicity is one of the most significant adverse effects which have been associated with all antiretroviral therapy drugs in South Africa and worldwide.
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Regorafenib suppresses sinusoidal obstruction syndrome in rats / レゴラフェニブはラット類洞閉塞症候群を緩和するOkuno, Masayuki 23 March 2016 (has links)
京都大学 / 0048 / 新制・課程博士 / 博士(医学) / 甲第19587号 / 医博第4094号 / 新制||医||1014(附属図書館) / 32623 / 京都大学大学院医学研究科医学専攻 / (主査)教授 松原 和夫, 教授 妹尾 浩, 教授 浅野 雅秀 / 学位規則第4条第1項該当 / Doctor of Medical Science / Kyoto University / DFAM
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Risk of Acute Liver Injury Associated with the Use of Orlistat: Cohort and Self-Controlled Case Series Studies Using the MarketScan® Commercial Claims DatabaseXia, Ying 07 September 2017 (has links)
No description available.
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